<?php

/*
 * This file is part of SwiftMailer.
 * (c) 2009 Fabien Potencier <fabien.potencier@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Pretends messages have been sent, but just ignores them.
 *
 * @package Swift
 * @author  Fabien Potencier
 */
class Swift_Transport_NullTransport implements Swift_Transport
{
	/** The event dispatcher from the plugin API */
	private $_eventDispatcher;

	/**
	 * Constructor.
	 */
	public function __construct(Swift_Events_EventDispatcher $eventDispatcher)
	{
		$this->_eventDispatcher = $eventDispatcher;
	}

	/**
	 * Tests if this Transport mechanism has started.
	 *
	 * @return boolean
	 */
	public function isStarted()
	{
		return true;
	}

	/**
	 * Starts this Transport mechanism.
	 */
	public function start()
	{
	}

	/**
	 * Stops this Transport mechanism.
	 */
	public function stop()
	{
	}

	/**
	 * Sends the given message.
	 *
	 * @param Swift_Mime_Message $message
	 * @param string[] $failedRecipients An array of failures by-reference
	 *
	 * @return integer The number of sent emails
	 */
	public function send(Swift_Mime_Message $message, &$failedRecipients = null)
	{
		if ($evt = $this->_eventDispatcher->createSendEvent($this, $message)) {
			$this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
			if ($evt->bubbleCancelled()) {
				return 0;
			}
		}

		if ($evt) {
			$evt->setResult(Swift_Events_SendEvent::RESULT_SUCCESS);
			$this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
		}

		return 0;
	}

	/**
	 * Register a plugin.
	 *
	 * @param Swift_Events_EventListener $plugin
	 */
	public function registerPlugin(Swift_Events_EventListener $plugin)
	{
		$this->_eventDispatcher->bindEventListener($plugin);
	}
}
